Commit | Line | Data |
---|---|---|
74d1e007 SW |
1 | Kernel driver raspberrypi-hwmon |
2 | =============================== | |
3 | ||
4 | Supported boards: | |
b04f2f7d | 5 | |
74d1e007 SW |
6 | * Raspberry Pi A+ (via GPIO on SoC) |
7 | * Raspberry Pi B+ (via GPIO on SoC) | |
8 | * Raspberry Pi 2 B (via GPIO on SoC) | |
9 | * Raspberry Pi 3 B (via GPIO on port expander) | |
10 | * Raspberry Pi 3 B+ (via PMIC) | |
11 | ||
12 | Author: Stefan Wahren <stefan.wahren@i2se.com> | |
13 | ||
14 | Description | |
15 | ----------- | |
16 | ||
17 | This driver periodically polls a mailbox property of the VC4 firmware to detect | |
18 | undervoltage conditions. | |
19 | ||
20 | Sysfs entries | |
21 | ------------- | |
22 | ||
b04f2f7d | 23 | ======================= ================== |
74d1e007 | 24 | in0_lcrit_alarm Undervoltage alarm |
b04f2f7d | 25 | ======================= ================== |